MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a link farm pointing to various domains, some of which are hosted on compromised WordPress sites. The heuristic 'SE_CALLBACK_LURE' strongly suggests the document's purpose is to trick the user into calling a phone number, consistent with callback phishing or tech-support scams. The embedded JavaScript likely facilitates the phishing attempt or payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://automyjka.pl/automyjka.pl/userfiles/file/52712090770.pdf In PDF document text
- http://classicalgardenornaments.com/uplds/file/wekafale.pdfIn PDF document text
- https://martan.es/cenavarra_userfiles/files/romexafadikizepufabifo.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/i1ed8b8qrmnl1fne14ssk3gqul/34596306867.pdfIn PDF document text
- http://gavionescodeinsa.com/userfiles/27967587206.pdfIn PDF document text
- http://specimport.by/files/files/bukegufanebedefe.pdfIn PDF document text
- http://wksx.top/images/userfiles/file/76737398701.pdfIn PDF document text
- http://carneslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gedalawuxuposad.pdfIn PDF document text
- https://thediamangroup.com/_images/files/75231557738.pdfIn PDF document text
- https://kujainspectors.com/candyticket/uploads/page_images/files/62648884937.pdfIn PDF document text
- https://3eyamaichi.com/upload/ckfinder_temp/files/20210914093229.pdfIn PDF document text
- https://fullgame.hu/uploads/files/72702137862.pdfIn PDF document text
- https://www.loisirs-auto-occasion.fr/ckfinder/userfiles/files/fesezofuseduvorigoxet.pdfIn PDF document text
- http://biswasi.com/userfiles/files/nunosamu.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161381969d6312---45872733048.pdfIn PDF document text
- http://suriyedostlukdernegi.org/image/files/xawepewusule.pdfIn PDF document text
- http://houtackers.nl/userfiles/file/95075640589.pdfIn PDF document text
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/dqeh06gn05qns92jfijmcjjvj4/fajel.pdfIn PDF document text
- https://u-spot.biz/js/ckfinder/userfiles/files/xadasuzodevebizojitijiwan.pdfIn PDF document text
- https://datajournonepal.org/files/kizimenevi.pdfIn PDF document text
- http://phoiinnhiet.com/images/uploads/files/55984678646.pdfIn PDF document text
- http://vipnovini.bg/root/f/uploads/files/26870481604.pdfIn PDF document text
- https://interstudy.net/userfiles/file/99041990081.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=pebble+android+appsPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ae39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE39 | 10428 bytes |
SHA-256: 5ae18c6924afe2e7b09e91f68039888c0eb8db9750b8d7daad20b90ef67fe9e9 |
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font_01_sfnt_off0000c5ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5AB | 15088 bytes |
SHA-256: c87477479c26c67f0d4b3e8fa1854a4b23265ddd4ed8d107fc686f6f00db85f1 |
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font_02_sfnt_off0000eb45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB45 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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